CVE-2023-23759
7.5 · HIGHOverview
CVE-2023-23759 is a high-severity vulnerability affecting facebook fizz. It was published on May 18, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
There is a vulnerability in the fizz library prior to v2023.01.30.00 where a CHECK failure can be triggered remotely. This behavior requires the client supported cipher advertisement changing between the original ClientHello and the second ClientHello, crashing the process (impact is limited to denial of service).
Remediation
Check the references section for vendor advisories and patches from facebook. Update fizz to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| fizz | >= 0, < 2023.01.30.00 | Affected |
References
Frequently Asked Questions
What is CVE-2023-23759?
CVE-2023-23759 is a high-severity vulnerability affecting facebook fizz. It was published on May 18, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2023-23759?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-23759?
Check the references section for vendor advisories and patches from facebook. Update fizz to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-23759?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-23759 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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